Measurement of seasonal variation

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Measurement of seasonal variation 2018-03-26T13:28:33+00:00

The following are some of the methods more popularly used for measuring the seasonal variations.
1. Method of simple averages.

The steps for calculations:
i) Arrange the data season wise
ii) Compute the average for each season.
iii) Calculate the grand average, which is the average of seasonal averages.
iv) Obtain the seasonal indices by expressing each season as percentage of Grand average

2. Ratio to trend method.

3. Ratio to moving average method.

4. Link relative method

 

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